Question

What's the capital of Washington DC.​

Answer 1

Answer: The District of Columbia

Explanation:Congress declared the city of Washington in the District of Columbia, the permanent capital of the United States.

Answer 2

Answer:

Became the capital. where are white house. the Capitol and the Washington Monument? Just where they should be--in the capital of the United States. On July 16, 1790, Congress declared the city of Washington in the District of Columbia, the permanent capital

Explanation:

Washington, D.C. (also known as simply Washington or D.C. and officially as the District of Columbia) is the capital of the United States. It is neither a state nor a city. It is a territory.